Forms 8a, 8c1, 8c2. Present Perfect vs Present Perfect Continuous. Past Simple vs Present Perfect

For practicing:
https://www.ego4u.com/en/cram-up/grammar/prepersim-preperpro;
https://www.englisch-hilfen.de/en/exercises/tenses/present_perfect_or_progressive.htm;
https://www.perfect-english-grammar.com/present-perfect-present-perfect-continuous-1.html.
For practicing:
https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect.htm;
https://www.perfect-english-grammar.com/past-simple-present-perfect-4.html;
https://www.english-4u.de/en/tenses-exercises/perfect-past-simple.htm.
QUIZ:
http://esl.fis.edu/grammar/multi/ppsppc.htm;
https://www.proprofs.com/quiz-school/story.php?title=past-simple-present-perfect.